Internal combustion engines aren’t very efficient. Most modern gasoline engines only convert about 35% of fuel energy into work. Diesels can do over 40%, but need expensive emission systems to stay ...

Undoubtedly, you know a little something about HEMIs, but do you know what the name means? Here's where the high-performance ...

Every internal combustion engine needs oil for lubrication, but two-stroke engines take their oil regularly along with ...

If you mostly drive in heavy traffic, your exhaust tip may appear dark or black, but a long, high-speed trip can help lighten ...

Curious about how an F1 engine works? Discover the cutting-edge engineering behind the world’s fastest cars in this quick and ...

The defining characteristic of a two-stroke engine is to fire (combust) every time the piston is at top dead center. This makes them highly power dense, but also notoriously makes two-stroke engines ...

Every new internal combustion car and truck sold in America today is equipped with a four-stroke engine, as are the vast ...

The Alpha Otto Rev Force features forced induction, rotary exhaust valves and can run on a variety of different fuels.

The judge said the supplier cannot be allowed to adduce evidence or import meanings into words that contradict what it has ...

After facing a firestorm of backlash for discontinuing the beloved HEMI V-8 engine, Ram said it is reversing course.

You've tried 98 and 91 octane at the petrol station, maybe even dabbed in E10, but how about filling your tank with a bottle ...

As electric vehicles grow more popular, their warning sounds may not be doing enough to protect pedestrians. A Swedish study ...